Relevant bibliographies by topics / LASIK

Academic literature on the topic 'LASIK'

Author: Grafiati
Published: 4 June 2021
Last updated: 20 February 2023

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Journal articles on the topic "LASIK"

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Zhao, Li-Quan, Huang Zhu, and Liang-Mao Li. "Laser-Assisted Subepithelial Keratectomy versus Laser In Situ Keratomileusis in Myopia: A Systematic Review and Meta-Analysis." ISRN Ophthalmology 2014 (June 12, 2014): 1–8. http://dx.doi.org/10.1155/2014/672146.

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This systematic review was to compare the clinical outcomes between laser-assisted subepithelial keratectomy (LASEK) and laser in situ keratomileusis (LASIK) for myopia. Primary parameters included mean manifest refraction spherical equivalent (MRSE), MRSE within ±0.50 diopters, uncorrected visual acuity (UCVA) ≥20/20, and loss of ≥1 line of best-corrected visual acuity (BCVA). Secondary parameters included flap complications and corneal haze. Twelve clinical controlled trials were identified and used for comparing LASEK (780 eyes) to LASIK (915 eyes). There were no significant differences in visual and refractive outcomes between the two surgeries for low to moderate myopia. The incidence of loss of ≥1 line of BCVA was significantly higher in moderate to high myopia treated by LASEK than LASIK in the mid-term and long-term followup. The efficacy (MRSE and UCVA) of LASEK appeared to be a significant worsening trend in the long-term followup. Corneal haze was more severe in moderate to high myopia treated by LASEK than LASIK in the mid-term and long-term followup. The flap-related complications still occurred in LASIK, but the incidence was not significantly higher than that in LASEK. LASEK and LASIK were safe and effective for low to moderate myopia. The advantage of LASEK was the absence of flap-related complications, and such procedure complication may occur in LASIK and affect the visual results. The increased incidence of stromal haze and regression in LASEK significantly affected the visual and refractive results for high myopia.
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Zhou, Jihong, Wei Gu, Shaowei Li, Lijuan Wu, Yan Gao, and Xiuhua Guo. "Predictors affecting myopic regression in − 6.0D to − 10.0D myopia after laser-assisted subepithelial keratomileusis and laser in situ keratomileusis flap creation with femtosecond laser-assisted or mechanical microkeratome-assisted." International Ophthalmology 40, no. 1 (September 30, 2019): 213–25. http://dx.doi.org/10.1007/s10792-019-01179-5.

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Abstract Purpose To investigate the predictive factors of postoperative myopic regression among subjects who have undergone laser-assisted subepithelial keratomileusis (LASEK), laser-assisted in situ keratomileusis (LASIK) flap created with a mechanical microkeratome (MM), and LASIK flap created with a femtosecond laser (FS). All recruited patients had a manifest spherical equivalence (SE) from − 6.0D to − 10.0D myopia. Methods This retrospective, observational case series study analyzed outcomes of refraction at 1 day, 1 week, and 1, 3, 6, and 12 months postoperatively. Predictors affecting myopic regression and other covariates were estimated with the Cox proportional hazards model for the three types of surgeries. Results The study enrolled 496 eyes in the LASEK group, 1054 eyes in the FS-LASIK group, and 910 eyes in the MM-LASIK group. At 12 months, from − 6.0D to − 10.0D myopia showed that the survival rates (no myopic regression) were 52.19%, 59.12%, and 58.79% in the MM-LASIK, FS-LASIK, and LASEK groups, respectively. Risk factors for myopic regression included thicker postoperative central corneal thickness (P ≦ 0.01), older age (P ≦ 0.01), aspherical ablation (P = 0.02), and larger transitional zone (TZ) (P = 0.03). Steeper corneal curvature (Kmax) (P = 0.01), thicker preoperative central corneal thickness (P < 0.01), smaller preoperative myopia (P < 0.01), longer duration of myopia (P = 0.02), with contact lens (P < 0.01), and larger optical zone (OZ) (P = 0.02) were protective factors. Among the three groups, the MM-LASIK had the highest risk of postoperative myopic regression (P < 0.01). Conclusions The MM-LASIK group experienced the highest myopic regression, followed by the FS-LASIK and LASEK groups. Older age, aspheric ablation used, thicker postoperative central corneal thickness, and enlarging TZ contribute to myopic regression; steeper preoperative corneal curvature (Kmax), longer duration of myopia, with contact lens, thicker preoperative central corneal thickness, lower manifest refraction SE, and enlarging OZ prevent postoperative myopic regression in myopia from − 6.0D to − 10.0D.
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Yang, Aping, Shanshan Tian, and Ping Guo. "Relativistic density functional investigation of the mono-lanthanum silicide clusters LaSin (n=1-6): geometries, electronic properties and IR spectra." Journal of Physics: Conference Series 2393, no. 1 (December 1, 2022): 012023. http://dx.doi.org/10.1088/1742-6596/2393/1/012023.

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Abstract The mono-lanthanum silicide clusters LaSin (n=1-6) have been studied adopting the relativistic density functional calculation with generalized gradient approximation. Considering different spin configurations, we calculated and discussed the equilibrium geometries, charge populations, the HOMO-LUMO gaps, as well as infrared (IR) absorption spectra of LaSin (n=1-6) clusters. It is found that: the lowest-lying LaSin (n=1-6) clusters basically maintain a similar framework to the low-lying Sin+1 clusters, and the La atoms prefer the surface sites. The relative stabilities are investigated based on the calculation of fragmentation energies and, showing that LaSi2, LaSi4, and LaSi5 clusters have enhanced stabilities. Charge populations analysis shows that the charges transfer from La atom to Sin framework and the La atom acts as an electron donor. HOMO-LUMO gaps indicate that LaSi2 and LaSi5 clusters have higher chemical stabilities. IR absorption spectrum and vibrational mode analysis show that the highest frequency absorption peaks all correspond to the breathing mode of the silicon framework, and the characteristic infrared absorption peaks caused by La atom vibration, except for LaSi dimer, all appeared in the low-frequency region.
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Wyler, Daniel, and Massimo Camellin. "Epi-LASIK Versus Epi-LASEK." Journal of Refractive Surgery 24, no. 1 (January 1, 2008): S57—S63. http://dx.doi.org/10.3928/1081597x-20080101-11.

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de Benito-Llopis, Laura, and Miguel A. Teus. "Epi-LASIK versus LASEK and PRK." Journal of Cataract & Refractive Surgery 38, no. 4 (April 2012): 732. http://dx.doi.org/10.1016/j.jcrs.2012.01.021.

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Schlote, T., and M. Kynigopoulos. "LASIK und Femto-LASIK." Augenheilkunde up2date 6, no. 03 (August 5, 2016): 211–21. http://dx.doi.org/10.1055/s-0042-105221.

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Schlote, T., and M. Kynigopoulos. "LASIK und Femto-LASIK." Klinische Monatsblätter für Augenheilkunde 233, no. 09 (August 5, 2016): e29-e39. http://dx.doi.org/10.1055/s-0033-1358236.

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Die LASIK/Femto-LASIK stellt heutzutage das am meisten eingesetzte, laserchirurgische Verfahren zur Korrektur von Fehlsichtigkeiten weltweit dar. Im richtigen Indikationsbereich führt es zu hervorragenden Ergebnissen und ist mit einem niedrigen Langzeitrisiko verbunden. Trotzdem kann das Verfahren nicht bei jedem eingesetzt werden und setzt eine sorgfältige Diagnostik und Patientenselektion voraus. Auf Aspekte der präoperativen Diagnostik und Vorbereitung von Patienten für refraktive Lasereingriffe sei u. a. auf den in dieser Zeitschrift ebenfalls publizierten Beitrag „Diagnostik in der refraktiven Chirurgie“ verwiesen 1.
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Ye, Min-jie, Cai-yuan Liu, Rong-feng Liao, Zheng-yu Gu, Bing-ying Zhao, and Yi Liao. "SMILE and Wavefront-Guided LASIK Out-Compete Other Refractive Surgeries in Ameliorating the Induction of High-Order Aberrations in Anterior Corneal Surface." Journal of Ophthalmology 2016 (2016): 1–7. http://dx.doi.org/10.1155/2016/8702162.

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Purpose. To compare the change of anterior corneal higher-order aberrations (HOAs) after laser in situ keratomileusis (LASIK), wavefront-guided LASIK with iris registration (WF-LASIK), femtosecond laser-assisted laser in situ keratomileusis (FS-LASIK), and small incision lenticule extraction (SMILE).Methods. In a prospective study, 82 eyes underwent LASIK, 119 eyes underwent WF-LASIK, 88 eyes underwent FS-LASIK, and 170 eyes underwent SMILE surgery. HOAs were measured with Pentacam device preoperatively and 6 months after surgery. The aberrations were described as Zernike polynomials, and analysis focused on total HOAs, spherical aberration (SA), horizontal coma, and vertical coma over 6 mm diameter central corneal zone.Results. Six months postoperatively, all procedures result in increase of anterior corneal total HOAs and SA. There were no significant differences in the induced HOAs between LASIK and FS-LASIK, while SMILE induced fewer total HOAs and SA compared with LASIK and FS-LASIK. Similarly, WF-LASIK also induced less total HOAs than LASIK and FS-LASIK, but only fewer SA than FS-LASIK (P<0.05). No significant difference could be detected in the induced total HOAs and SA between SMILE and WF-LASIK, whereas SMILE induced more horizontal coma and vertical coma compared with WF-LASIK (P<0.05).Conclusion. FS-LASIK and LASIK induced comparable anterior corneal HOAs. Compared to LASIK and FS-LASIK, both SMILE and WF-LASIK showed advantages in inducing less total HOAs. In addition, SMILE also possesses better ability to reduce the induction of SA in comparison with LASIK and FS-LASIK. However, SMILE induced more horizontal coma and vertical coma compared with WF-LASIK, indicating that the centration of SMILE procedure is probably less precise than WF-LASIK.
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Taneri, Suphi, and Saskia Oehler. "Reply: Epi-LASIK versus LASEK and PRK." Journal of Cataract & Refractive Surgery 38, no. 4 (April 2012): 732–33. http://dx.doi.org/10.1016/j.jcrs.2012.01.022.

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AlArfaj, Khalid, and Mohamed M. Hantera. "Comparison of LASEK, mechanical microkeratome LASIK and Femtosecond LASIK in low and moderate myopia." Saudi Journal of Ophthalmology 28, no. 3 (July 2014): 214–19. http://dx.doi.org/10.1016/j.sjopt.2013.10.002.

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Dissertations / Theses on the topic "LASIK"

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Kamma, Christina-Stamatia. "Healing of LASIK flaps." Thesis, Cardiff University, 2007. http://orca.cf.ac.uk/54605/.

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The aim of this study was to obtain a better understanding in the healing of LASIK-like flaps using an in vitro organ culture method in bovine corneas. At early stages of the PhD, during protocol optimisation, a 5mm trephine was used to injure bovine corneas. At later stages a custom-made eye holder was used to induce LASIK-like incisions in corneas. Immunohistochemistry for a-smooth muscle actin (aSMA) and cytokeratin was used to monitor myofibroblast and epithelial cell expression, respectively, during the wound healing process. Additionally, the effect of certain cytokines (i.e. TNFa, Fas ligand, TGF-Pi and IL-la) was tested in terms of corneal transparency, myofibroblast expression and tissue mechanical strength during the healing process. The later series of experiments was an attempt to manipulate and improve wound healing after LASIK. Healing in this in vitro system closely followed the effects that are already known from the literature. In addition, preliminary evidence on the cytokine corneas proved that there is a correlation between cytokine type and concentration with the effect in tissue transparency, extend of wound healing response and tissue mechanical strength. X-ray diffraction also provided important information about collagen ultrastructural changes in the corneas during the healing process. Parameters such as fibrillar diameter, spacing, distribution and orientation were studied. Collagen fibrillar diameter and spacing remained constant for control corneas during the organ culture time-span, indicating that this in vitro system does not induce any swelling effects on the tissue. However, injured corneas became significantly swollen (p<0.05) during culture. Swelling effects were more severe in trephined corneas than in LASIK-like injured ones. However, collagen fibrillar diameter remained normal in the periphery of injured corneas, but it increased significantly in areas within and around the wound in trephined samples and in the flap incision site for LASIK-like ones. In both types of wounding, collagen orientation changes were observed and were associated with the process of creating the injury. However, in the case of trephine wounded corneas, tissue swelling and changes in collagen orientation reflected the processes of tissue repair. These differences will determine corneal stability and strength follow trauma and, possibly, refractive surgery. The transparency of the cornea depends on both the collagen and the interstitial proteoglycans. In order to obtain a better insight in ultrastructural changes during the wound healing process molecular modelling techniques were used in order to construct a theoretical model for the core protein of biglycan. This molecule is a dermatan sulphate proteoglycan and its numbers increase up to seven times during wound healing. It is considerably larger than the rest of proteoglycans and molecular modelling also revealed numerous potential collagen interaction sites.
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Yi, Fan, and n/a. "Optimal Algorithmic Techniques of LASIK Procedures." Griffith University. School of Engineering, 2006. http://www4.gu.edu.au:8080/adt-root/public/adt-QGU20070216.152339.

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Clinical wavefront-guided corneal ablation has been now the most technologically advanced method to reduce the dependence of glasses and contact lenses. It has the potential not only to eliminate spherocylindrical errors but also to reduce higher-order aberrations (HOA). Recent statistics show that more than 96% of the patients who received laser in situ keratomileusis (LASIK) treatment reported their satisfaction about the improvement on vision, six months after the surgery. However, there are still patients complaining that their vision performance did not achieve the expectation or was even worse than before surgery. The reasons causing the unexpected post-surgical outcome include undercorrection, overcorrection, induced HOA, and other postoperative diseases, most of which are caused by inaccurate ablation besides other pathological factors. Therefore, to find out the method to optimize the LASIK procedures and provide a higher surgical precision has become increasingly important. A proper method to calculate ablation profile and an effective way to control the laser beam size and shape are key aspects in this research to resolve the problem. Here in this Master of Philosophy degree thesis, the author has performed a meticulous study on the existing methods of ablation profile calculation and investigated the efficiency of wavefront only ablation by a computer simulation applying real patient data. Finally, the concept of a refractive surgery system with dynamical beam shaping function is sketched, which can theoretically overcome the disadvantages of traditional procedures with a finite laser beam size.
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Yi, Fan. "Optimal Algorithmic Techniques of LASIK Procedures." Thesis, Griffith University, 2006. http://hdl.handle.net/10072/368097.

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Clinical wavefront-guided corneal ablation has been now the most technologically advanced method to reduce the dependence of glasses and contact lenses. It has the potential not only to eliminate spherocylindrical errors but also to reduce higher-order aberrations (HOA). Recent statistics show that more than 96% of the patients who received laser in situ keratomileusis (LASIK) treatment reported their satisfaction about the improvement on vision, six months after the surgery. However, there are still patients complaining that their vision performance did not achieve the expectation or was even worse than before surgery. The reasons causing the unexpected post-surgical outcome include undercorrection, overcorrection, induced HOA, and other postoperative diseases, most of which are caused by inaccurate ablation besides other pathological factors. Therefore, to find out the method to optimize the LASIK procedures and provide a higher surgical precision has become increasingly important. A proper method to calculate ablation profile and an effective way to control the laser beam size and shape are key aspects in this research to resolve the problem. Here in this Master of Philosophy degree thesis, the author has performed a meticulous study on the existing methods of ablation profile calculation and investigated the efficiency of wavefront only ablation by a computer simulation applying real patient data. Finally, the concept of a refractive surgery system with dynamical beam shaping function is sketched, which can theoretically overcome the disadvantages of traditional procedures with a finite laser beam size.
Thesis (Masters)
Master of Philosophy (MPhil)
School of Engineering
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Ahmedova, Renin. "Förhållandena inom refraktiv kirurgi i Sverige, vilka metoder används och vilka komplikationer finns?" Thesis, Linnéuniversitetet, Institutionen för medicin och optometri (MEO), 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-54189.

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Syfte: Studiens syfte var att undersöka hur refraktiv kirurgi ser ut i Sverige idag, vilka komplikationer som finns och vilka metoder som används genom att göra en kort redovisning av de vanligaste teknikerna FS-lasik, LASEK, TransPRK och RLE som finns inom refraktiv kirurgi och med hjälp av en enkät ta reda på de olika komplikationerna mellan olika åldersgrupper.  Metod: En enkätstudie inom refraktiv kirurgi i Sverige genomfördes. Enkäten var webbaserad och skapad i Google Docs (http://docs.google.com). Enkäten innehöll totalt 11 frågor som handlade om patientens tidiga refraktion, operationsmetod och ögonhälsa efter operationen. Enkäten spreds via sociala medier som Facebook, Instagram, Twitter, olika forumsiter, samt mail. En del av enkäten var även fördelad på två olika ögonkliniker i Lund. Resultat: Resultaten av enkäten visar att det finns inte någon skillnad i komplikationsgraden mellan de olika åldersgrupperna och komplikationerna efter kirurgin beror på typen av metod och patientens synfel och brytningsfel.  Slutsats: Vid de olika metoderna förekommer olika komplikationer och ju mer närsynt patienten är desto större är risken för komplikationer i samband med operationen.
Refractive surgery is an effective method for correcting visual refractive errors. The method has evolved quickly over the past decade. The aim of this study was to examine what refractive surgery is in Sweden today. What complications exist and which methods are used, are described by making a presentation of the refractive surgery techniques FS-LASIK, LASEK, TransPRK and RLE. This was done by a survey to find out the various complications between different age groups. A web-based survey was disseminated trough social media like Facebook, different forum sites and e-mail. The survey was also submitted to various eye clinics. The respondents were asked questions about their age, gender, the surgical method used and the complications after surgery. The results of the survey showed that there is no difference in the complication rate between the different age groups. Complications only depend on the type of method used and the patient’s refractive errors.
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Wu, Yih-Tyng. "Change of line of sight after lasik /." The Ohio State University, 2000. http://rave.ohiolink.edu/etdc/view?acc_num=osu1488203857251318.

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Iribarne, Ferrer Yolanda. "Sensibilidad al contaste tras LASIK convencional y personalizado." Doctoral thesis, Universitat de Barcelona, 2006. http://hdl.handle.net/10803/1229.

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OBJETIVOS:

Determinar la técnica de LASIK (convencional o personalizada) que consigue una mayor calidad visual en los pacientes intervenidos de cirugía refractiva (en términos de agudeza visual, sensibilidad al contraste y sensación subjetiva), así como comparar su efectividad, eficacia, predictibilidad, seguridad, estabilidad y su repercusión en las aberraciones corneales provocadas tras la cirugía.

MATERIAL Y METODOS:

En una muestra de 27 pacientes con las mismas características en los dos ojos se analiza la calidad visual del paciente, así como las aberraciones pre y postoperatorias tras la aplicación de cirugía refractiva corneal con láser Excímer, realizando un tratamiento convencional en un ojo del paciente y un tratamiento personalizado en el otro ojo. Se realizan controles postoperatorios al día siguiente de la cirugía, a la semana, al mes, a los tres, seis y doce meses.
La calidad visual del paciente se analiza en términos de agudeza visual, sensación subjetiva y sensibilidad al contraste con el test CSV-1000. Las aberraciones se han medido con un aberrómetro basado en el método de Hartmann-Shack. El láser se ha aplicado con el Technolas 217z, que posee la capacidad de realizar un tratamiento LASIK estándar o personalizado.

RESULTADOS:

El tratamiento personalizado consigue una calidad visual levemente superior a la técnica convencional en términos de agudeza visual (sobre todo en ganancia de líneas de visión) y sensibilidad al contraste, pero sin significación estadística a los 12 meses de la intervención.
La predictibilidad, eficacia, seguridad y estabilidad de ambos tipos de técnicas son similares. En cuanto a las aberraciones, el tratamiento personalizado ha conseguido reducir o inducir en menor grado aberraciones de tercer y cuarto orden, pero las de quinto orden han empeorado más en los ojos intervenidos con el tratamiento personalizado.

DISCUSIÓN:

Al comparar el tratamiento LASIK convencional de la miopía con el personalizado se puede llegar a afirmar que sólo se encuentran sutiles diferencias entre ellos (como la mayor ganancia de líneas de visión en el tratamiento personalizado) pero sin significación estadística. Esto podría ser debido a que las aberraciones de la población seleccionada no son muy elevadas. Por ello se puede considerar que la ablación personalizada puede lograr una mayor calidad visual tras cirugía refractiva si los pacientes tienen altos valores elevados de las aberraciones de alto orden.
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Mones, Chelsey. "The lasik experts| A small business plan proposal." Thesis, California State University, Long Beach, 2016. http://pqdtopen.proquest.com/#viewpdf?dispub=10076457.

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The LASIK market in Orange County, CA is extremely saturated, with the exception of the city of Laguna Niguel. This business plan proposes the creation of The LASIK Experts in Laguna Niguel to fulfill the need for such a LASIK center within the city. Based on the detailed financial projections prepared by the company’s management, it is estimated that a bank loan is necessary to begin the company’s operations successfully. The funds will be used to provide the initial working capital for the first three fiscal years.

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Tat, Lien Thieu. "LASIK: Clinical Results and Their Relationship to Patient Satisfaction." Thesis, The University of Sydney, 2006. http://hdl.handle.net/2123/1607.

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The aim of this study was to evaluate the safety and efficacy of LASIK as a refractive surgical procedure, using a repeated measures design to assess satisfaction of patients who had LASIK and to correlate clinical outcomes with detailed measures of patient satisfaction to document long-term viability, monitor changes over time and patients’ functional abilities post-operatively. Method In the study 216 post-LASIK subjects were randomly selected from among patients who underwent simultaneous bilateral LASIK using the Chiron Technolas 217C plano-scan excimer laser with the Chiron ACS (Automated Corneal Shaper) and the Hansatome microkeratome. The subjects were recruited from within one centre, and the procedures were performed by any one of three surgeons. The study also included 100 non-LASIK subjects as a control group, to compare and differentiate ocular symptoms and visual difficulties between LASIK and non-LASIK patients. Clinical data documented included visual acuity, subjective refraction, record of glasses and/or contact lenses prescription, corneal topography with EyeSys and Orbscan, slit lamp examination, surgical details, and any pre-existing eye disease/conditions and previous surgery or injury that might prevent the subjects from achieving their desired visual outcome post-operatively. Subjective patient satisfaction evaluation of the treatment group was assessed by subjects completing a survey questionnaire at 3 months, 6 months, 12 months and 24 months post-operatively. The control group subjects completed a comparable questionnaire and were assessed at baseline and 3 months later. Because the control group subjects did not have any surgical alterations, it was unnecessary for them to have more than one follow-up. Results LASIK achieved relatively high patient satisfaction, with only a small number of dissatisfied patients. It was effective in correcting myopia, hyperopia and astigmatism. However, there was some persistent under-correction in myopic spherical and minus cylindrical refractive errors. Hyperopic spherical correction was less effective, as there were more under- as well as over-correction, and the plus cylindrical correction tended to be under-corrected. The LASIK subjects’ post-operative distance uncorrected visual acuity was not as good as their pre-operative best corrected visual acuity, but it did not significantly correlate with patient satisfaction. The findings were consistent with other studies and confirmed the concept that patient satisfaction is not unidimensional and is not related to outcome solely in terms of visual acuity and residual refractive errors. Other contributing factors included problems with glare, rating of unaided distance and near vision, ability to drive at night, change in ability to perform social/recreational, home and work activities, change in overall quality of life, amount of information given prior to surgery, rating of surgery success, and surgery outcome relative to pre-operative expectations. These variables demonstrated distinctive differences between subjects who were satisfied and dissatisfied. Conclusions The findings of this study are consistent with those of earlier studies. However, the repeated measures design and the comparisons between LASIK subjects and the control group revealed some new insights that were previously undocumented. LASIK achieved high patient satisfaction, and factors associated with satisfaction were predictable, but sources of dissatisfaction were more idiosyncratic and contributing factors were identified.
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Tat, Lien Thieu. "LASIK clinical results and their relationship to patient satisfaction /." University of Sydney. Faculty of Health Sciences, 2006. http://hdl.handle.net/2123/1607.

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Doctor of Philosophy (PhD) Orthoptics
The aim of this study was to evaluate the safety and efficacy of LASIK as a refractive surgical procedure, using a repeated measures design to assess satisfaction of patients who had LASIK and to correlate clinical outcomes with detailed measures of patient satisfaction to document long-term viability, monitor changes over time and patients’ functional abilities post-operatively. Method In the study 216 post-LASIK subjects were randomly selected from among patients who underwent simultaneous bilateral LASIK using the Chiron Technolas 217C plano-scan excimer laser with the Chiron ACS (Automated Corneal Shaper) and the Hansatome microkeratome. The subjects were recruited from within one centre, and the procedures were performed by any one of three surgeons. The study also included 100 non-LASIK subjects as a control group, to compare and differentiate ocular symptoms and visual difficulties between LASIK and non-LASIK patients. Clinical data documented included visual acuity, subjective refraction, record of glasses and/or contact lenses prescription, corneal topography with EyeSys and Orbscan, slit lamp examination, surgical details, and any pre-existing eye disease/conditions and previous surgery or injury that might prevent the subjects from achieving their desired visual outcome post-operatively. Subjective patient satisfaction evaluation of the treatment group was assessed by subjects completing a survey questionnaire at 3 months, 6 months, 12 months and 24 months post-operatively. The control group subjects completed a comparable questionnaire and were assessed at baseline and 3 months later. Because the control group subjects did not have any surgical alterations, it was unnecessary for them to have more than one follow-up. Results LASIK achieved relatively high patient satisfaction, with only a small number of dissatisfied patients. It was effective in correcting myopia, hyperopia and astigmatism. However, there was some persistent under-correction in myopic spherical and minus cylindrical refractive errors. Hyperopic spherical correction was less effective, as there were more under- as well as over-correction, and the plus cylindrical correction tended to be under-corrected. The LASIK subjects’ post-operative distance uncorrected visual acuity was not as good as their pre-operative best corrected visual acuity, but it did not significantly correlate with patient satisfaction. The findings were consistent with other studies and confirmed the concept that patient satisfaction is not unidimensional and is not related to outcome solely in terms of visual acuity and residual refractive errors. Other contributing factors included problems with glare, rating of unaided distance and near vision, ability to drive at night, change in ability to perform social/recreational, home and work activities, change in overall quality of life, amount of information given prior to surgery, rating of surgery success, and surgery outcome relative to pre-operative expectations. These variables demonstrated distinctive differences between subjects who were satisfied and dissatisfied. Conclusions The findings of this study are consistent with those of earlier studies. However, the repeated measures design and the comparisons between LASIK subjects and the control group revealed some new insights that were previously undocumented. LASIK achieved high patient satisfaction, and factors associated with satisfaction were predictable, but sources of dissatisfaction were more idiosyncratic and contributing factors were identified.
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Zaune, Katharina. "Vergleichende Untersuchungen der Schnittdicke und Schnittqualität von LASIK-Mikrokeratomen." Diss., lmu, 2004. http://nbn-resolving.de/urn:nbn:de:bvb:19-28024.

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Books on the topic "LASIK"

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Lucio, Buratto, and Brint Stephen F. 1946-, eds. LASIK: Principles and techniques. Thorofare, NJ: Slack, 1998.

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Hanratty, Michelle. LASIK: A handbook for optometrists. Edinburgh: Elsevier/Butterworth Heinemann, 2005.

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Gimbel, Howard V. LASIK complications: Prevention and management. Thorofare, NJ: SLACK, 1999.

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Pallikaris, Ioannis G. Step by Step LASIK Surgery. London: Informa Healthcare, 2004.

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LASIK: The evolution of refractive surgery. Thorofare, NJ: SLACK, 2012.

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T, Azar Dimitri, and Koch Douglas D, eds. LASIK: Fundamentals, surgical techniques, and complications. New York: Marcel Dekker, 2003.

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Kinshi rēzā shujutsu gaidobukku: 2010-nenban = Intra LASIK. Tōkyō: Asahi Shobō, 2010.

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1965-, Davidorf Jonathan M., and Maloney Robert K. 1958-, eds. Lasik: A guide to laser vision correction. Omaha, NE: Addicus Books, 2001.

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1958-, Maloney Robert K., and Davidorf Jonathan M. 1965-, eds. LASIK: A guide to laser vision correction. 2nd ed. Omaha, Neb: Addicus Books, 2006.

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Shalaby, Ismail A. Overcoming complications of LASIK and other eye surgeries. North Branch, MN: Sunrise River Press, 2010.

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Book chapters on the topic "LASIK"

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Kohnen, Thomas, and Oliver K. Klaproth. "Lamelläre Excimerlaserchirurgie (LASIK, Femto-LASIK)." In Refraktive Chirurgie, 137–52. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-05406-8_10.

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Zimmer, Michael. "LASIK-TÜV." In Refraktive Chirurgie, 363–67. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-05406-8_25.

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Andreoli, Michael T., and Dimitri T. Azar. "Incomplete LASIK Flap." In Difficult and Complicated Cases in Refractive Surgery, 97–101. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-55238-0_20.

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Arevalo, J. Fernando. "CNV After LASIK." In Difficult and Complicated Cases in Refractive Surgery, 451–53. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-55238-0_97.

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Arevalo, J. Fernando. "NIAON After LASIK." In Difficult and Complicated Cases in Refractive Surgery, 457–59. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-55238-0_99.

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Watson, Adam, and Sheraz Daya. "Infective Complications Following LASIK." In Essentials in Ophthalmology, 153–61. Berlin, Heidelberg: Springer Berlin Heidelberg, 2006. http://dx.doi.org/10.1007/3-540-31226-9_11.

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Ostovic, Marko, and Thomas Kohnen. "Free Caps, LASIK Complication." In Encyclopedia of Ophthalmology, 1. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-35951-4_356-4.

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de la Cruz, José, Joelle Hallak, Dimitri Azar, Sandeep Jain, Marlane J. Brown, David R. Hardten, Elizabeth A. Davis, et al. "LASIK: Early Postoperative Complications." In Management of Complications in Refractive Surgery, 33–71. Berlin, Heidelberg: Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-37584-5_4.

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Katz, Toam R. "Microkeratome LASIK Intraoperative Complications." In Complications in Corneal Laser Surgery, 51–63. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-41496-6_7.

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Ostovic, Marko, and Thomas Kohnen. "Free Caps, LASIK Complication." In Encyclopedia of Ophthalmology, 781–82. Berlin, Heidelberg: Springer Berlin Heidelberg, 2018. http://dx.doi.org/10.1007/978-3-540-69000-9_356.

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Conference papers on the topic "LASIK"

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Schwiegerling, Jim. "Analysis of Eye Motion During LASIK." In Vision Science and its Applications. Washington, D.C.: OSA, 2001. http://dx.doi.org/10.1364/vsia.2001.sud1.

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Pratiwi, Ratih, Tantri Yanuar R. S., Semerdanta Pusaka, and Ratna Indrawati. "Marketing Plan for SILC Lasik Center." In International Conference Recent Innovation. SCITEPRESS - Science and Technology Publications, 2018. http://dx.doi.org/10.5220/0009952127442750.

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Cox, Ian. "Wavefront Guided LASIK Surgery: Does It Really Work?" In Frontiers in Optics. Washington, D.C.: OSA, 2005. http://dx.doi.org/10.1364/fio.2005.ftha3.

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Schumacher, S., M. Sander, A. Stolte, C. Doepke, W. Baumgaertner, and H. Lubatschowski. "Investigation of possible fs-LASIK induced retinal damage." In Biomedical Optics 2006, edited by Fabrice Manns, Per G. Söderberg, and Arthur Ho. SPIE, 2006. http://dx.doi.org/10.1117/12.645147.

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Wang, Zhenglin, Kamal Alameh, and Rong Zheng. "High-efficency stable 213-nm generation for LASIK application." In Photonics Asia 2004, edited by Qihuang Gong, Yiping Cui, and Roger A. Lessard. SPIE, 2005. http://dx.doi.org/10.1117/12.568979.

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Hong, Xin, and Larry N. Thibos. "Optical Aberrations Following Laser In Situ Keratomileusis (LASIK) Surgery." In Vision Science and its Applications. Washington, D.C.: OSA, 2000. http://dx.doi.org/10.1364/vsia.2000.sub2.

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Iacobucci, Mark J., Ronald R. Krueger, and George H. Pettit. "Ocular Aberrations Before and After Laser in Situ Keratomileusis (LASIK)." In Vision Science and its Applications. Washington, D.C.: OSA, 2001. http://dx.doi.org/10.1364/vsia.2001.pd3.

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Mathivanan, Kirubakar, Narendra Dahotre, and Soundarapandian Santhanakrishnan. "Modeling and experimental approaches of laser system for lasik eye surgery." In ICALEO® 2015: 34th International Congress on Laser Materials Processing, Laser Microprocessing and Nanomanufacturing. Laser Institute of America, 2015. http://dx.doi.org/10.2351/1.5063155.

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Pinsky, Peter M., and Dolf van der Heide. "Modeling the Optical Performance of the Human Cornea Following Refractive Surgery." In ASME 2008 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2008. http://dx.doi.org/10.1115/sbc2008-192579.

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Abstract:
Disturbances of the stromal microstructure occurring in refractive surgical procedures may create unexpected and undesired changes to the vision quality of the eye. Examples of common procedures which can profoundly alter the integrity of the stroma include laser ablation techniques such as Laser in situ keratomileusis (LASIK) for treating myopia, hyperopia and astigmatism, scleral incisions for lens extraction in cataract surgery and conducting keratoplasty (CK) for the treatment of hyperopia and presbyopia. The stroma is the primary load-carrying layer of the cornea and in the normal eye it is in a state of tension resulting from the intraocular pressure (IOP). When a surgical procedure disrupts the stromal tissue, the stresses in the tissue will be redistributed inducing what may be called the biomechanical response of the tissue to the surgical procedure. In the case of LASIK and CK, for example, surgeons wish to change the optical power of the cornea by reshaping the anterior surface. Biomechanically induced deformations may cause the achieved power to deviate from the planned correction and may also introduce aberrations in the resulting optical path. In contrast, in cataract surgery, surgeons may wish to preserve the original power of the cornea and in this case biomechanical deformations may defeat this objective.
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Glickman, Randolph D., Yun Liu, George L. Mayo, Alan D. Baribeau, Tomy Starck, and Tom Bankhead. "Composition of the excimer laser-induced plume produced during LASIK refractive surgery." In Biomedical Optics 2003, edited by Fabrice Manns, Per G. S÷derberg, and Arthur Ho. SPIE, 2003. http://dx.doi.org/10.1117/12.477953.

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Reports on the topic "LASIK"

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Nitschke, Kim. Ascension Island: The Layered Atlantic Smoke Interactions with Clouds (LASIC) Campaign. Office of Scientific and Technical Information (OSTI), March 2017. http://dx.doi.org/10.2172/1351251.

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Zuidema, Paquita, Pablo Saide, Jianhao Zhang, Rodrigo Delgadillo, Calvin Howes, and Amie Dobracki. Marine Shallow cloud Adjustments to the Presence of Shortwave-Absorbing Aerosols: Advancing Understanding Through a Combined Analysis of Lasic Datasets and Process Modeling (Final Report). Office of Scientific and Technical Information (OSTI), January 2022. http://dx.doi.org/10.2172/1842664.

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